<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>
<body>
<!-- 创建容器 -->
<div id="app" style="background-color: #ccc">
<!-- 不能放在这，会被覆盖 -->
   <!-- <router-view></router-view>
   <router-link to=""></router-link> -->
</div>
</body>

</html>